The city GO™ ISOFIX base is compatible with the baby jogger city GO™ car seat and makes light work of securing your baby’s car seat into a rearward position. Install using a car’s ISOFIX anchor points which will ensure your car seat is installed correctly every trip. The ISOFIX arm indicators show green when the car seat base has been securely fitted and red when not. As well as using easy install guides, there is an extendable support leg that securely fits against the floor for stability, preventing tilting or tipping in the event of a collision. The support leg also features a red/green installation indicator. The city GO™ infant carrier easily and securely clicks into place onto the base and also features an installation indicator. The car seat can be released from the base with one hand, leaving your other hand free to lift the infant carrier by its handle.